I've heard about 'Doors of Perception' a while ago - my mother was reading it maybe a decade ago. It took my a while, but we have similar taste and she knows her way around the books. I remember how interested she was when reading the book and how inspired she was afterward. So, when I got my hands on it, I was really excited about that.
Finding the right book isn't as difficult as finding the right man, but it can be damn close. You won't know if it's the right one unless you start reading it. However, if you read many books or several at once, it can end really badly. So, how do you choose the book without opening it?